Confusion in the display of a lineEdit - Qt

Confusion in the display of a lineEdit - Qt

References

Reference NO 1

http://stackoverflow.com/questions/15267132/displaying-a-float-value-in-a-qlineedit

Reference NO 2

http://qt-project.org/forums/viewthread/14537

Reference NO 3

http://www.qtcentre.org/threads/41597-How-to-disable-a-QLineEdit

Reference NO 4

http://www.java2s.com/Questions_And_Answers/Qt/QLineEdit/edit.htm

Reference NO 5

http://blog.qt.digia.com/blog/2007/06/06/lineedit-with-a-clear-button/

Reference NO 6

http://harmattan-dev.nokia.com/docs/library/html/qt4/porting4.html

Reference NO 7

http://nethack.wikia.com/wiki/Source:Qt_win.h

Reference NO 8

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